Analysis
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max time kernel
117s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
21-01-2025 09:48
Static task
static1
Behavioral task
behavioral1
Sample
683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe
Resource
win10v2004-20241007-en
General
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Target
683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe
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Size
49KB
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MD5
46bfd4f1d581d7c0121d2b19a005d3df
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SHA1
5b063298bbd1670b4d39e1baef67f854b8dcba9d
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SHA256
683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96
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SHA512
b52aa090f689765d099689700be7e18922137e7a860a00113e3f72aa6553e94a870bbb741e52de9617506a236a2a59198fb224fcd128576d76642eec9d715df5
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SSDEEP
768:AbFw10RFnAwJM7MiqwecUaX5h4IuCdYa+XLXTGY1idL2WYiwtDj:Apw10vnAOIUaJh4IXdWXLXTWLfuFj
Malware Config
Extracted
C:\Users\Admin\AppData\Local\Temp\!satana!.txt
Signatures
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Satana
Ransomware family which also encrypts the system's Master Boot Record (MBR).
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Satana family
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Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Deletes itself 1 IoCs
pid Process 2648 seixsf.exe -
Executes dropped EXE 2 IoCs
pid Process 2812 seixsf.exe 2648 seixsf.exe -
Loads dropped DLL 6 IoCs
pid Process 2704 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe 2704 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe 2704 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe 2704 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe 2812 seixsf.exe 2648 seixsf.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\gsjqhjs = "C:\\Users\\Admin\\AppData\\Local\\Temp\\!satana!.txt" 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe -
Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
description ioc Process File opened for modification \??\PHYSICALDRIVE0 seixsf.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 2176 set thread context of 2704 2176 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe 30 PID 2812 set thread context of 2648 2812 seixsf.exe 32 -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\main\ja-jp.xml seixsf.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\ipsjpn.xml seixsf.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\!satana!.txt seixsf.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\auxpad\auxbase.xml seixsf.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\BabyGirl\content-foreground.png seixsf.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Push\NavigationLeft_ButtonGraphic.png seixsf.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Push\NavigationRight_ButtonGraphic.png seixsf.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\!satana!.txt seixsf.exe File created C:\Program Files\Common Files\Microsoft Shared\TextConv\!satana!.txt seixsf.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\SpecialOccasion\specialmainsubpicture.png seixsf.exe File created C:\Program Files\Google\Chrome\Application\106.0.5249.119\MEIPreload\!satana!.txt seixsf.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\configuration\org.eclipse.update\!satana!.txt seixsf.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.filetransfer.httpclient4.ssl.feature_1.0.0.v20140827-1444\!satana!.txt seixsf.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\p2\org.eclipse.equinox.p2.engine\!satana!.txt seixsf.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Rectangles\reflect.png seixsf.exe File opened for modification C:\Program Files\7-Zip\Lang\bn.txt seixsf.exe File opened for modification C:\Program Files\7-Zip\Lang\sr-spl.txt seixsf.exe File created C:\Program Files\Common Files\System\Ole DB\fr-FR\!satana!.txt seixsf.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\LayeredTitles\203x8subpicture.png seixsf.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Memories\16_9-frame-overlay.png seixsf.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\OldAge\NavigationUp_ButtonGraphic.png seixsf.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Full\15x15dot.png seixsf.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\ResizingPanels\NavigationUp_ButtonGraphic.png seixsf.exe File created C:\Program Files\Google\Chrome\Application\106.0.5249.119\!satana!.txt seixsf.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\p2\!satana!.txt seixsf.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.rjmx_5.5.0.165303\icons\!satana!.txt seixsf.exe File created C:\Program Files\Common Files\Microsoft Shared\TextConv\es-ES\!satana!.txt seixsf.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Circle_ButtonGraphic.png seixsf.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Stacking\NavigationRight_SelectionSubpicture.png seixsf.exe File created C:\Program Files\Java\jdk1.7.0_80\db\lib\!satana!.txt seixsf.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.filetransfer.ssl.feature_1.0.0.v20140827-1444\META-INF\!satana!.txt seixsf.exe File created C:\Program Files\Common Files\Microsoft Shared\ink\pt-BR\!satana!.txt seixsf.exe File created C:\Program Files\Common Files\Microsoft Shared\Triedit\de-DE\!satana!.txt seixsf.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\OldAge\vintage.png seixsf.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\rectangle_plain_Thumbnail.bmp seixsf.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Travel\btn-previous-static.png seixsf.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\configuration\org.eclipse.equinox.simpleconfigurator\!satana!.txt seixsf.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Performance\720x480blacksquare.png seixsf.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Performance\TitleButtonIcon.png seixsf.exe File created C:\Program Files\Common Files\Microsoft Shared\ink\hu-HU\!satana!.txt seixsf.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\numbers.xml seixsf.exe File created C:\Program Files\Common Files\SpeechEngines\Microsoft\TTS20\es-ES\!satana!.txt seixsf.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\BabyGirl\notes-static.png seixsf.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Heart_VideoInset.png seixsf.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Memories\16_9-frame-background.png seixsf.exe File created C:\Program Files\DVD Maker\Shared\DvdStyles\SpecialOccasion\!satana!.txt seixsf.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Stacking\720_480shadow.png seixsf.exe File created C:\Program Files\DVD Maker\Shared\DvdStyles\Vignette\!satana!.txt seixsf.exe File created C:\Program Files\Google\Chrome\Application\106.0.5249.119\default_apps\!satana!.txt seixsf.exe File opened for modification C:\Program Files\7-Zip\Lang\mr.txt seixsf.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\osknumpad.xml seixsf.exe File created C:\Program Files\Common Files\SpeechEngines\Microsoft\TTS20\ja-JP\!satana!.txt seixsf.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.VisualElementsManifest.xml seixsf.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.equinox.p2.core.feature_1.3.0.v20140523-0116\!satana!.txt seixsf.exe File created C:\Program Files\!satana!.txt seixsf.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\keypad.xml seixsf.exe File created C:\Program Files\Common Files\Microsoft Shared\ink\ro-RO\!satana!.txt seixsf.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\rectangle_performance_Thumbnail.bmp seixsf.exe File created C:\Program Files\Java\jdk1.7.0_80\include\win32\!satana!.txt seixsf.exe File created C:\Program Files\Java\jdk1.7.0_80\jre\bin\server\!satana!.txt seixsf.exe File opened for modification C:\Program Files\7-Zip\Lang\ku-ckb.txt seixsf.exe File opened for modification C:\Program Files\7-Zip\Lang\sv.txt seixsf.exe File created C:\Program Files\Common Files\System\ado\es-ES\!satana!.txt seixsf.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\NavigationRight_SelectionSubpicture.png seixsf.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language VSSADMIN.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language seixsf.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language seixsf.exe -
Interacts with shadow copies 3 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 900 VSSADMIN.EXE -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 2648 seixsf.exe Token: SeBackupPrivilege 1960 vssvc.exe Token: SeRestorePrivilege 1960 vssvc.exe Token: SeAuditPrivilege 1960 vssvc.exe -
Suspicious use of WriteProcessMemory 28 IoCs
description pid Process procid_target PID 2176 wrote to memory of 2704 2176 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe 30 PID 2176 wrote to memory of 2704 2176 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe 30 PID 2176 wrote to memory of 2704 2176 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe 30 PID 2176 wrote to memory of 2704 2176 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe 30 PID 2176 wrote to memory of 2704 2176 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe 30 PID 2176 wrote to memory of 2704 2176 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe 30 PID 2176 wrote to memory of 2704 2176 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe 30 PID 2176 wrote to memory of 2704 2176 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe 30 PID 2176 wrote to memory of 2704 2176 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe 30 PID 2176 wrote to memory of 2704 2176 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe 30 PID 2704 wrote to memory of 2812 2704 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe 31 PID 2704 wrote to memory of 2812 2704 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe 31 PID 2704 wrote to memory of 2812 2704 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe 31 PID 2704 wrote to memory of 2812 2704 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe 31 PID 2812 wrote to memory of 2648 2812 seixsf.exe 32 PID 2812 wrote to memory of 2648 2812 seixsf.exe 32 PID 2812 wrote to memory of 2648 2812 seixsf.exe 32 PID 2812 wrote to memory of 2648 2812 seixsf.exe 32 PID 2812 wrote to memory of 2648 2812 seixsf.exe 32 PID 2812 wrote to memory of 2648 2812 seixsf.exe 32 PID 2812 wrote to memory of 2648 2812 seixsf.exe 32 PID 2812 wrote to memory of 2648 2812 seixsf.exe 32 PID 2812 wrote to memory of 2648 2812 seixsf.exe 32 PID 2812 wrote to memory of 2648 2812 seixsf.exe 32 PID 2648 wrote to memory of 900 2648 seixsf.exe 33 PID 2648 wrote to memory of 900 2648 seixsf.exe 33 PID 2648 wrote to memory of 900 2648 seixsf.exe 33 PID 2648 wrote to memory of 900 2648 seixsf.exe 33 -
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Users\Admin\AppData\Local\Temp\683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe"C:\Users\Admin\AppData\Local\Temp\683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2176 -
C:\Users\Admin\AppData\Local\Temp\683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe"C:\Users\Admin\AppData\Local\Temp\683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe"2⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2704 -
C:\Users\Admin\AppData\Local\Temp\seixsf.exe"C:\Users\Admin\AppData\Local\Temp\seixsf.exe" {846ee340-7039-11de-9d20-806e6f6e6963} "C:\Users\Admin\AppData\Local\Temp\683A09~1.EXE"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2812 -
C:\Users\Admin\AppData\Local\Temp\seixsf.exe"C:\Users\Admin\AppData\Local\Temp\seixsf.exe" {846ee340-7039-11de-9d20-806e6f6e6963} "C:\Users\Admin\AppData\Local\Temp\683A09~1.EXE"4⤵
- Deletes itself
- Executes dropped EXE
- Loads dropped DLL
- Writes to the Master Boot Record (MBR)
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2648 -
C:\Windows\SysWOW64\VSSADMIN.EXE"C:\Windows\system32\VSSADMIN.EXE" Delete Shadows /All /Quiet5⤵
- System Location Discovery: System Language Discovery
- Interacts with shadow copies
PID:900
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1960
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Direct Volume Access
1Indicator Removal
2File Deletion
2Modify Registry
1Pre-OS Boot
1Bootkit
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD50c85765ffe542470bbefa6e407231dbb
SHA118b2463cbc098063be5ad63b2c7fe8972cfd13ac
SHA256ecc34cfa63362a187c558cb1587e797ac3398875a34fbdc96aecc2c6502c057a
SHA512d105869b1fbfe431b3568bc797fd2d81c8343ad781b2c0991ba477104c5b8af311b0653c79deebd772914f4d57c2e889ca676d80523eb8ef5eb8401956f84b8a
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Filesize
49KB
MD546bfd4f1d581d7c0121d2b19a005d3df
SHA15b063298bbd1670b4d39e1baef67f854b8dcba9d
SHA256683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96
SHA512b52aa090f689765d099689700be7e18922137e7a860a00113e3f72aa6553e94a870bbb741e52de9617506a236a2a59198fb224fcd128576d76642eec9d715df5